putting pattern inside a text

I need a bit of help for this operation. I have no idea what I should really do.
I'm redesigning a business card.

I have a pattern Ai file.

I want to extract the pattern and put inside the white text. I then what to change the color of it and make it orange like word "filmmaker". (I might change the current orange that is a bit off).
All I know is that I will need to rasterize the text layer white ?

First, see if there is already a pattern in the Swatches palette, inside the AI pattern file.
If so, drag the pattern onto the artboard and set it to your desired color. Then drag the recolored pattern back into the palette.
Then, you can apply the pattern swatch to the text just as you would any other swatch.

If there is no pattern swatch, you'll either have to make one out of the given pattern, or probably the easier approach might be to simply Object / Expand the text that you want the pattern on, then use the expanded/outlined text as a clipping mask on the existing pattern.

Let us know if any of this doesn't make sense.
I didn't go into details on creating a pattern swatch because it might be unnecessary.

Vince

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I'm not very experimented with Ai. I think there is a pattern in the swatch.
Here is the file 4181_patern.ai.zip

I tried doing the manipulation as described with dragging the swatch to the art board but nothing happened. I did manage however to select it and change the color. I think I'm going to make white and so I'm going to make my text orange, and so the white pattern will be the "negative" space in the text.

I did manage to bring the file and make a new art board into my business card file but I don't know it that helps. Also, it seems that with this new art board not the entire pattern can be selected. There are some defaults, places that stays unselected.

The problem for me knows is that background is empty and so I can see the blue background. My goal is that between the pattern I see the orange. Should I duplicate the text layer ? If yes, how can I place it exactly over the current layer (because when I copy and paste the new layer is not exactly over).

Yeah, you can duplicate the text using copy/back (edit / copy / paste in back).
Or, you could select the text, and in the Appearance palette, click the toggle and Add New Fill Layer. Change the new Fill Layer color. You'll probably have to drag the new fill layer to be under the Characters layer, inside the palette.

Vince

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How would I be able to create a glow effect on the text such the one here on the word "liquiDance"

I guess I have to rasterize text and then put the effect. But I don't know if it's achievable in Ai. Maybe it’s a Photoshop thing ? If yes, how can I make sure I create a Photoshop design the same size as this text ?